Cenozoic Era, the most recent great division of geological time, including the present. It follows the Mesozoic (middle-life) Era. The Cenozoic Era is divided by most geologists into the Tertiary and Quaternary periods. Geologists estimate that the Cenozoic Era began some 65,000,000 years ago.Cenozoic Era animals date from 65 million years ago to the present.
Saber-tooth cats have long been likened to tigers, but they aren't tigers at all. While they share some physical traits and hunting practices with tigers, saber-tooth cats are also quite different.
It's not a trick; before you are a number of reptilian footprints in the rock. They're dinosaur tracks, preserved for thousands of years. But how did they possibly get there?